1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/pulldown-cmark/examples/broken-link-callbacks.rs b/vendor/pulldown-cmark/examples/broken-link-callbacks.rs
new file mode 100644
index 000000000..268715dc3
--- /dev/null
+++ b/vendor/pulldown-cmark/examples/broken-link-callbacks.rs
@@ -0,0 +1,35 @@
+use pulldown_cmark::{html, BrokenLink, Options, Parser};
+
+fn main() {
+    let input: &str = "Hello world, check out [my website][].";
+    println!("Parsing the following markdown string:\n{}", input);
+
+    // Setup callback that sets the URL and title when it encounters
+    // a reference to our home page.
+    let callback = &mut |broken_link: BrokenLink| {
+        if broken_link.reference.as_ref() == "my website" {
+            println!(
+                "Replacing the markdown `{}` of type {:?} with a working link",
+                &input[broken_link.span], broken_link.link_type,
+            );
+            Some(("http://example.com".into(), "my example website".into()))
+        } else {
+            None
+        }
+    };
+
+    // Create a parser with our callback function for broken links.
+    let parser = Parser::new_with_broken_link_callback(input, Options::empty(), Some(callback));
+
+    // Write to String buffer.
+    let mut html_output: String = String::with_capacity(input.len() * 3 / 2);
+    html::push_html(&mut html_output, parser);
+
+    // Check that the output is what we expected.
+    let expected_html: &str =
+        "<p>Hello world, check out <a href=\"http://example.com\" title=\"my example website\">my website</a>.</p>\n";
+    assert_eq!(expected_html, &html_output);
+
+    // Write result to stdout.
+    println!("\nHTML output:\n{}", &html_output);
+}